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Mg(OH)2(s) + 2 HCl(aq) = 2 H2O(aq) + MgCl2
HgNO32 = HgO + NO2 + O2 =>
2 HgNO32 = 2 HgO + 2 NO2 + 29 O2
CaCl2 + Fe(SO4) = FeCl2 + Ca(SO4) =>
CaCl2 + Fe(SO4) = FeCl2 + Ca(SO4)
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
CuO + C = Cu + CO2 =>
2 CuO + C = 2 Cu + CO2
H2SO3 + Zn = ZnSO4 + H2S + H2O =>
5 H2SO3 + 3 Zn = 3 ZnSO4 + 2 H2S + 3 H2O
Al(OH)3 + HClO4 = HCl(OH)3 + O4Al =>
Al(OH)3 + HClO4 = HCl(OH)3 + O4Al
N + HBr = NH3 + Br =>
N + 3 HBr = NH3 + 3 Br
H3PO2 + Cr2O72{-} + H{+} = H3PO4 + Cr3{+} + H2O =>
427 H3PO2 + 12 Cr2O72{-} + 20 H{+} = 427 H3PO4 + 8 Cr3{+} + 10 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Na + Sn = Na9Sn4 =>
9 Na + 4 Sn = Na9Sn4
KJ + K2Cr2O7 + H2SO4 = Cr2(SO4) + J2 + K2SO4 + H2O =>
10 KJ + K2Cr2O7 + 7 H2SO4 = Cr2(SO4) + 5 J2 + 6 K2SO4 + 7 H2O
RBr + Mg = RMgBr =>
RBr + Mg = RMgBr
H2SO3 + K2O = K2SO3 + H2O =>
H2SO3 + K2O = K2SO3 + H2O
O2 + H2O = O2H =>
3 O2 + 2 H2O = 4 O2H
SnCl2 + H2S = Sn2S2 + HCl =>
2 SnCl2 + 2 H2S = Sn2S2 + 4 HCl
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
NaIO3 + K2S2O8 + NaOH = Na3H2IO6 + K2SO4 + Na2SO4 + H2O =>
NaIO3 + K2S2O8 + 4 NaOH = Na3H2IO6 + K2SO4 + Na2SO4 + H2O
Zn(OH)NO3 + HNO3 = Zn(NO3)2 + H2O =>
Zn(OH)NO3 + HNO3 = Zn(NO3)2 + H2O
Fe2O3 + (CH2)4S = FeO + SO2 + CO2 + H2O =>
14 Fe2O3 + (CH2)4S = 28 FeO + SO2 + 4 CO2 + 4 H2O
K + HCN = KCN + H =>
K + HCN = KCN + H
KClO3 + SnSO4 + KOH + H2O = K2[Sn(OH)6] + KCl + K2SO4 =>
KClO3 + 3 SnSO4 + 12 KOH + 3 H2O = 3 K2[Sn(OH)6] + KCl + 3 K2SO4
FeS + HClO4 = Fe(ClO4)2 + H2S =>
FeS + 2 HClO4 = Fe(ClO4)2 + H2S
MnS + HNO3 = H2O + MnSO4 + NO2 =>
MnS + 8 HNO3 = 4 H2O + MnSO4 + 8 NO2
H2 + Cl2 = HCl = H2 =>
H2 + Cl2 = 2 HCl
Co + Pb(NO3)2 = Co(NO3)3 + Pb =>
2 Co + 3 Pb(NO3)2 = 2 Co(NO3)3 + 3 Pb
Na2S + ZnCl2 = NaCl + ZnS =>
Na2S + ZnCl2 = 2 NaCl + ZnS
MgCl2 + Na2SO4 = NaCl + Mg2(SO4)2 =>
2 MgCl2 + 2 Na2SO4 = 4 NaCl + Mg2(SO4)2
Cl2 + SO4 = Cl2O + SOCl2 =>
4 Cl2 + SO4 = 3 Cl2O + SOCl2
Li + LaCl3 = La + LiCl =>
3 Li + LaCl3 = La + 3 LiCl
(NH4)2PbCl6 + H2SO4 = PbCl4 + HCl + (NH4)2SO4 =>
(NH4)2PbCl6 + H2SO4 = PbCl4 + 2 HCl + (NH4)2SO4
ZnCl2 + H2SO3 = ZnSO3 + HCl =>
ZnCl2 + H2SO3 = ZnSO3 + 2 HCl
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
H3PO2 + Cr2O72{-} + H{+} = H3PO4 + Cr3{+} + H2O =>
427 H3PO2 + 12 Cr2O72{-} + 20 H{+} = 427 H3PO4 + 8 Cr3{+} + 10 H2O
MgCl2 + K3(PO4) = Mg3(PO4)2 + KCl =>
3 MgCl2 + 2 K3(PO4) = Mg3(PO4)2 + 6 KCl
Na2SiO3 + SnCl2 = SnSiO3 + NaCl =>
Na2SiO3 + SnCl2 = SnSiO3 + 2 NaCl
HS + H2O = H + SO2 =>
HS + 2 H2O = 5 H + SO2
Hg + H2O = HgH2O =>
Hg + H2O = HgH2O
NH4HNO3 = N2 + O2 + H2O =>
4 NH4HNO3 = 4 N2 + O2 + 10 H2O
MgS + Na2O = Na2S + MgO =>
MgS + Na2O = Na2S + MgO
Cr(NO3)3 = Cr3O2 + NO2 + O =>
3 Cr(NO3)3 = Cr3O2 + 9 NO2 + 7 O
Na(OH)(aq) + H2SO4(aq) = Na2SO4(aq) + H2O(l) =>
2 Na(OH)(aq) + H2SO4(aq) = Na2SO4(aq) + 2 H2O(l)
Ni + Mg = NiMg =>
Ni + Mg = NiMg
F2 + H2O = F2H2O =>
F2 + H2O = F2H2O
CaSO4(aq) + Na3PO4(aq) = Ca3(PO4)2(s) + Na2SO4(aq) =>
3 CaSO4(aq) + 2 Na3PO4(aq) = Ca3(PO4)2(s) + 3 Na2SO4(aq)
CuSO4 + NaOH = (Cu(OH))2 + (NaSO4) =>
2 CuSO4 + 2 NaOH = (Cu(OH))2 + 2(NaSO4)
FeCl3(aq) + Zn(s) = ZnCl2 + FeCl2 =>
2 FeCl3(aq) + Zn(s) = ZnCl2 + 2 FeCl2
NO + HClO4 + H2O = HNO3 + HCl =>
8 NO + 3 HClO4 + 4 H2O = 8 HNO3 + 3 HCl
C2H2(g) + O2 = CO2 + H2O(v) =>
2 C2H2(g) + 5 O2 = 4 CO2 + 2 H2O(v)
KMnO4 + Ca(OH)2 = Ca(MnO4)2 + KOH =>
2 KMnO4 + Ca(OH)2 = Ca(MnO4)2 + 2 KOH
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